baber/WOPTO huggingface dataset:
Patent KR-20040035498-A (KR)
Title: Coarse Wavelength Division Multiplexer manufactural method using the Thin Film Filter deposited Planar silica optical waveguide
Inventor: LEE HYUNG JONG
IPC: G02B6/13
Filed: 2002-10-22
Abstract: PURPOSE: A method for fabricating a broadband WDM unit using a multi-thin film deposition type planar waveguide is provided to improve the performance and enhance the productivity by integrating multi-thin film filters on the planar waveguide. CONSTITUTION: A bottom clad layer(2) is formed by depositing a silica glass film on a silicon substrate. A core layer is formed by depositing silica particles on the bottom clad layer(2). A dry-etch mask is formed on the core layer. An organic photo-resist layer is formed on the dry-etch mask. A photo-mask is transferred on the photo-resist layer and the dry-etch mask by using a photolithography method and a wet-etch method. A channel waveguide(5) is formed by etching the core layer. A top clad silica particle layer(6) is deposited thereon. A particular position of a planar waveguide is cut by using an electronic saw. A cut part of the planar waveguide is processed. The roughness of the planar waveguide is removed by performing a lateral process. A high-refractive index film(9) and a low-refractive index film(8) are deposited on a lateral part of the cut waveguide.
Patent KR-20040036389-A (KR)
Inventor: OH HO SUK
IPC: A23L7/196
Filed: 2002-10-25
Abstract: PURPOSE: A method of preparing colored rice by subjecting rice to an activated carbon treatment with low temperature plasma and a magnetizer and then coloring the rice with natural pigments after dehydrating is provided. The product satisfies the consumer's preferences by its various colors and can be applied to various foods such as rolled rice wrapped with a laver sheet(kimpab), hand-rolled sushi(chopab), rice cake(ttok) or the like. CONSTITUTION: Rice is washed to remove fine powders from the surface of rice and then subjected to an activated carbon treatment with low temperature plasma and a magnetizer to activate the surface of rice with fine water molecules, ozone or the like. The swollen rice is subjected to a dehydrating process under reduced pressure to remove water and then a rice coloring process at a pressure of 5 to 15kg/cm¬2. After a predetermined time(1 to 5hr), the colored rice is dried in a low temperature and pressure state using far infrared rays. In the rice coloring process, pigments are melted in a solvent up to 10 to 1,000ppm and then infused into the processed rice.
Patent KR-20040038017-A (KR)
Title: Apparatus and method for treating plasma
Inventor: JANG JEONG YEOL
IPC: H01L21/205
Filed: 2002-10-31
Abstract: PURPOSE: A plasma treatment apparatus and method are provided to minimize the time for the impedance matching between an RF(Radio Frequency) generator and a plasma chamber. CONSTITUTION: A plasma treatment apparatus is provided with an RF generator(300) for generating RF power and a plasma chamber(100) for processing a semiconductor substrate using the RF power. The plasma treatment apparatus further includes a matching network(200) for carrying out a matching process between the first impedance of the RF generator and the second impedance of the plasma chamber, and a controller(400) connected to the RF generator for controlling the magnitude of the RF frequency supplied from the RF generator. The matching network includes predetermined circuitry made of devices having a fixed size under the matching process. The RF frequency of the RF generator is set before the matching process and modified according to process steps.
Patent KR-20040038340-A (KR)
Title: System and method for maintaining consistency of transaction cache in mobile computing environments
Inventor: LEE SANG GEUN
IPC: H04Q7/38
Filed: 2002-10-31
Abstract: PURPOSE: A system for maintaining transaction cache consistency under mobile computing environment and a method therefor are provided to enable a mobile client to check consistency of transaction cache data based on a time stamp, and to individually perform a transaction complete process, thereby distributing loads of a mobile server and minimizing a transceiving message between the mobile server and the mobile client. CONSTITUTION: A mobile server(20) periodically broadcasts an IR(Invalidation Report) message. A mobile client(10) executes a read-only mobile transaction, checks invalidation and consistency when an invalidation report arrives, and individually performs a complete process of the read-only mobile transaction. The mobile client(10) comprises as follows. A transaction execution process(11) executes the read-only mobile transaction. A cache invalidation process(12) checks invalidation of a transaction cache by using the IR message. A cache consistency checking/maintaining process(13) withdraws other transactions to maintain transaction cache consistency. A complete checking/treatment process(14) immediately carries out a validation complete process and a delay validation complete process by using cache time stamps of data.
Patent KR-20040042160-A (KR)
Title: The method of maintenance for shadow mask in OELD
Inventor: LIM SEONG SIL
IPC: H05B33/10
Filed: 2002-11-13
Abstract: PURPOSE: A method for maintaining shadow mask pattern in depositing device for OELD is provided to achieve a high resolution, to improve yield rate and to reduce a manufacturing cost. CONSTITUTION: A repulsive force between patterns is generated by applying power to a shadow mask. An interval between the patterns is maintained constantly due to the constant repulsive force between the patterns. The power is selected from AC power or DC power. The shadow mask is deposited with gold or silver. A thin electric wire is adhered to the shadow mask in parallel with the current direction in order to maintain constantly an amount of current.
Patent KR-20040046136-A (KR)
Title: Field emission display with a sinking type gate electrode structure and method for fabricating the gate electrode structure
Inventor: HWANG SEONG YEON
IPC: H01J1/30
Filed: 2002-11-26
Abstract: PURPOSE: A field emission display having a depression type gate electrode structure and a method for manufacturing electrode structure are provided to lower a gate driving voltage level and achieve a high contrast and fine pixels. CONSTITUTION: A field emission display(10) comprises a pair of cathode and anode substrates(12,14) facing each other; a cathode electrode(16) provided on the cathode substrate; an insulating layer(18) including a first insulating film having a first gate hole and a second insulating film having a second gate hole with a small diameter than that of the first gate hole; a gate electrode(20) provided on the surface of the first insulating film and the surface of the second insulating film exposed by the first gate hole; an electron emitting layer(24) formed on the cathode electrode; an anode electrode(26) formed on the anode substrate; and a phosphor film(28) provided on the anode.
Patent KR-20040047033-A (KR)
Title: power transmission system of bicycle operated by shuttle movement of handlebars
Inventor: KIM YOUNG CHI
IPC: B62M1/12
Filed: 2002-11-28
Abstract: PURPOSE: A rotation connecting part is formed in the middle of a handle to give additional driving force, safer and more convenient use. CONSTITUTION: A bicycle is composed of a parallel support rod(3), an inclined support rod connecting a front wheel with a rear wheel, a handle, a handle shaft(4), a fixing shaft(5), a sprocket and a pedal. A lifting pipe(15) is connected with an operation rod(14) in the handle. The lower end of the operation rod is hinge-connected to an upper end of an intermittent rod(19). A spring is installed between the operation rod and the intermittent rod. A wire(23) connected to the intermittent rod is inserted inside of the spring. The intermittent rod is operated by another intermittent rod connected to the handle.
Patent KR-20040040268-A (KR)
Title: Method for encoding digital audio using advanced psychoacoustic model and apparatus thereof
Inventor: MATHEW MANU
IPC: G10L19/02
Filed: 2002-11-29
Abstract: PURPOSE: A digital audio coding method using an improved psychoacoustic model and an apparatus therefor are provided to improve the sound quality of an output audio stream using a modified psychoacoustic model. CONSTITUTION: A window switching unit(220) decides a window type according to the characteristic of an input audio signal. A CMDCT(Complex Modified Discrete Cosine Transform) unit(230) generates a CMDCT spectrum from the input audio signal according to the window type decided in the window switching unit(220). An FFT(Fast Fourier Transform) unit(240) generates an FFT spectrum from the input audio signal using the window type decided in the window switching unit(220). A psychoacoustic model unit(250) analyzes a psychoacoustic model using the CMDCT spectrum generated in the CMDCT unit(230) and the FFT spectrum generated in the FFT unit(240).
Patent KR-20040049400-A (KR)
Inventor: KIM MIN CHEOL
IPC: A63F13/24
Filed: 2002-12-05
Abstract: PURPOSE: A portable joystick is provided to perform an interface operation with one hand conveniently and efficiently by connecting to a portable device such as a cellular phone, a PDA(Personal Digital Assistant), and a notebook computer through a wire/wireless communication tool without a separated supporting space while keeping a basic function of the joystick. CONSTITUTION: A main body is operated by being gripped with one hand. A control lever(12) installed to the outside of the main body is operated by one of the thumb or the first finger. A trigger switch(13) installed to the outside of the main body is operated by another one of the thumb or the first finger. The communication tool transfers a signal to the portable device(101) by connecting between the main body and the portable device. A signal processing circuit(18) transmits/receives the signal from the portable device through a communication cable by processing the signal from the control lever and the trigger switch.
Patent KR-20040056630-A (KR)
Inventor: SONG YANG SEOP
IPC: H01L21/02
Filed: 2002-12-24
Abstract: PURPOSE: A vacuum valve is provided to operate a vacuum valve in a small space by precisely checking if a switching unit is open or shut while seeing a lamp turn on/off when the switching unit opens/shuts and by transferring the switching unit by rotation of a motor. CONSTITUTION: One side of a main housing(300) is connected to a process chamber, and a through hole(302) connected to a pump is formed in the other side of the main housing. A slide space(304) is so formed in the main housing to penetrate the through hole in a perpendicular direction. A switching unit(310) switches the through hole, reciprocating between the slide space and the through hole. A transfer block(320) transfers the switching unit while sliding in the slide space. A long groove(322) is formed in the transfer block in a direction perpendicular to the transfer direction of the switching unit. A sub housing(330) is fixed to the upper part of the main housing. A vertical rotation axis(340) is installed across the sub housing and the slide space. A swing axis(350) is horizontally fixed to the lower part of the vertical rotation axis, having a hanging protrusion hung on the long groove. A motor is prepared. A speed reducing gear reduces the rotation speed of the motor to transfer the reduced rotation speed to the vertical rotation axis, installed in the sub housing.
Patent KR-20030057373-A (KR)
IPC: B21G1/08
Filed: 2002-12-26
Abstract: 내경이 2mm 이하로, 측공이 설치된 금속제의 관상체를 제조하는 방법으로서, 금속제의 박판으로부터 관상체의 전개형상을 한 판상체와, 상기 판상체로부터 상기 관상체의 상기 측공에 상당하는 구멍 및/또는 관형상으로 프레스 가공된 때에 상기 측공을 형성하는 절결부를, 상기 금속제의 박판과 상기 판상체가 부분적으로 접합한 상태로 펀칭하고, 상기 판상체를 관형상으로 프레스 가공한 후, 상기 금속제의 박판과 상기 판상체의 접합부를 절단하여 금속제의 관상체를 제조한다. 형상, 위치 및 개수에 관계없이, 소망의 측공이 형성된 금속제의 관상체가 제조된다.
Patent KR-20040057371-A (KR)
Title: Method for writing in writing/reading apparatus
Inventor: KIM GI BONG
IPC: G11B7/004
Filed: 2002-12-26
Abstract: PURPOSE: A recording method of a recording reproduction device is provided to exactly read a current recording location and a next recording location on a recording medium such as a CD-R/RW(Compact Disc-Readable/Rewritable), thereby improving recording quality of the recording medium. CONSTITUTION: A recording reproduction device initializes a microcomputer and chips(S12), and ignites the microcomputer and the chips(S13), then automatically controls the ignited microcomputer and the chips(S14). The device performs a lead-in reading process(S15), and checks an RF signal as changing a TMAX detection resolution PLCK(Playback Clock Signal)(S22). The device holds a PLL(S23). The device checks the RF signal again(S24), and cancels the held PLL(S25). The device checks a synchronization as reading a PMA(Program Memory Area)(S26). The device checks a lead-out function, and pauses(S32).
Patent KR-20040058825-A (KR)
Inventor: JUNG JU SEOK
IPC: A47L9/04
Filed: 2002-12-27
Abstract: PURPOSE: A brushing device for a vacuum cleaner is provided to offer convenience to a user by switching cleaning function with one-way rotation. CONSTITUTION: In a brushing device having a cleaning function switching unit, the cleaning function switching unit includes an elastic member, and a switching lever(22). The elastic member is interposed between a base and a switching member(3), and elastically supports the switching member into a first switching position. The switching lever is installed at a cover(2), and is rotated in only one way. The switching lever includes pressing units(23) having first and second protrusions for pressing the switching member into a second switching position, and a rotation adjusting unit(24) for rotating the pressing unit.
Patent KR-20020047155-A (KR)
Title: Combined radial-axial slide bearing
IPC: F16C33/10
Filed: 2000-09-12
Abstract: The slide bearing is constructed of, on one hand, a hydrodyamic radial slide bearing (2) which surrounds, with a play, an axle (1) to be beared, such that between the axle (1) and the radial slide bearing (2), a first gap (9) is formed which is in connection with a source of liquid under pressure and, on the other hand, at least one hydrostatic axial slide bearing (3) which is situated with a play opposite to a radially extending surface portion (6) of the axle (1), such that also between this portion (6) of the axle (1) and a radially directed portion (12) of the axial slide bearing (3), a second gap (13) is formed which is in connection with the first gap (9).
Patent KR-20020060719-A (KR)
IPC: B21B31/08
Filed: 2001-01-31
Abstract: 본 발명은 작업이 용이한, 조강 압연기의 링 롤 교환 방법 및 그 장치에 관한 것으로, 하우징을 해체하지 않고 링 롤만 교환하는 최적의 순서에 따른 방법이다.  즉, 본 발명은 복수의 롤 어셈블리를 원주 방향으로 등각도 간격으로 하우징에 조립한 조강 압연기에 있어서, 사용필 링 롤과 롤 축을 억지 끼워맞춤 해제하고, 롤 축을 축방향으로 이동시켜 사용필 링 롤에서 뽑아내고, 하우징안에서 사용필 링 롤과 새로운 링 롤을 교환하고, 새로운 링 롤에 롤 축을 삽입하고, 새로운 링 롤과 롤 축을 억지 끼워맞춤 체결하는 순서로 이루어진 링 롤 교환 방법이다.  또한, 본 발명방법에 적합한 기구를 갖는 조강 압연기 본체 및 롤 축 서스펜션 장치도 제공한다.
Patent KR-20020065506-A (KR)
IPC: E02F7/02
Filed: 2000-11-02
Abstract: 굴착 어셈블리용 브레이드(12)는 베이스부(24)와 상기 베이스부(24)에서 부터 떨어진 터미널부(26)를 포함한다. 상기 베이스부(24)는 상기 터미널부(26) 보다 넓고, 상기 브레이드는 상기 베이스부 및 터미널부(24,26)사이에서 테이퍼진다. 제 1,2 및 제 3의 날카로운 모서리들(28,30,32)이, 각각이 적어도 90°의 각도로 대응하는 프랭크들을 구비하는 브레이드(12)상에 제공된다. 상기 각각의 프랭크들(34)은 다른 모서리들의 각각의 프랭크들(34)에 관계되어 어긋나 있다. 상기 날카로운 모서리들(28,30,32)의 프랭크들(34) 위치는, 브레이드가 굴착 어셈블리에서 축선상의 물질을 통하여 회전되는 경우, 상기 브레이드(12)가 리프팅 효과를 나타내는 것을 가능하게 한다.
Patent KR-20020079848-A (KR)
Title: 고에너지 가속기를 저에너지 모드에서 가동하는 방법 및장치
IPC: H05H5/06
Filed: 2001-02-08
Abstract: 고에너지 모드와 저에너지 모드에서 대전 입자 가속기를 포함하는 이온 주입기를 효율적으로 가동하는 방법 및 장치가 제공된다.  대전 입자 가속기는 고전압 전원 장치, 고전압 전원 장치에 연결된 가속기 컬럼, 스위치 조립체를 포함한다.  가속기 컬럼은 복수의 가속기 전극을 포함한다.  고전압 전원 장치는 저에너지 모드에서 가속기 컬럼에 에너지를 공급하는 것이 디스에이블된다.  스위치 조립체는 저에너지 모드에서 가속기 전극을 기준 전위에 전기적으로 연결하고 고에너지 모드에서 가속기 전극을 기준 전위로부터 전기적으로 분리하는 스위치 소자를 포함한다.  스위치 조립체는 가속기 전극 상의 양의 전위를 방지하여 저에너지 모드에서 양의 이온 빔이 이송될 때 빔의 공간 전하 확장을 최소화한다.
Patent KR-20030007420-A (KR)
IPC: H01F7/06
Filed: 2001-12-06
Abstract: 절연 권선 와이어(24)로 권취된 여자기 권선(23)을 포함하는 자기 코일(13), 자기 코어(14), 상기 코어(14)에 대향 배열되며 움직이는 아마추어(16) 및 상기 아마추어(16)에 작용하는 리턴 스프링(21)을 구비한 전자석(10)의 경우, 완전한 전자석(10)에 의해 제공된 자기력을 추후 조정하기 위해, 전기 전도성 재료로 이루어지고 서로 전기 전도성으로 연결되며 용융될 수 있는 다수의 포스트(26)가 자기 코일(13)에 배열된다.  여자기 권선(23)의 선택된 턴 내에서 각각 하나의 포스트(26) 둘레로  권선 와이어(24)가 안내된다.  소정의 자기력을 세팅하기 위해, 적어도 두 개의 포스트(26)가 용융되므로, 상기 포스트는 권선 와이어(24)와, 상기 와이어의 와이어 절연을 통해서 확실히 용접된다.
Patent KR-20020072583-A (KR)
Title: Substituted 8,8a-dihydro-3aH-indeno[1,2-d]thiazoles, a method for their production and their use as medicaments
IPC: A61P3/04
Filed: 2001-02-12
Abstract: The invention relates to substituted 8,8a-dihydro-3aH-indeno[1,2-d]thiazoles and to their physiologically acceptable salts and physiologically functional derivatives. Compounds of formula I,in which the radicals are as defined above, and their physiologically acceptable salts and processes for their preparation are described. The compounds are suitable, for example, as anorectics.
Patent KR-20030043785-A (KR)
Title: Charged compounds comprising a nucleic acid binding moiety and uses therefor
IPC: A61K31/427
Filed: 2001-03-14
Abstract: Charged compounds are provided that comprise one or more regions of localized positive charge, compositions comprising such compounds, methods of synthesizing such compounds, methods of screening such compounds to identify those having anti-infective activity, and methods of using such compounds to prevent or inhibit infections. These compounds, and compositions containing them, have multiple applications, including use in human and animal medicine and in agriculture.
Patent KR-20020081457-A (KR)
Title: Multi-zoned catalytic trap and methods of making and using the same
Inventor: DEEBA MICHEL
IPC: F01N3/20
Filed: 2001-03-07
Abstract: A multi-zoned catalytic trap for conversion of NOx in an exhaust gas stream which emanates from an engine which is operated with periodic alternations between lean, and stoichiometric or rich, conditions. The catalytic trap comprises a first zone, a second zone and, optionally, one or more intermediate zones disposed between the first zone and the second zone. Each of the zones comprises a catalytic trap material coated on a refractory carrier member. In the first zone, the catalytic trap material comprises a refractory metal oxide support having dispersed thereon a palladium catalytic component in the amount of about 30 to about 300 g/ft3, a platinum catalytic component in the amount of 0 to about 100 g/ft3 and a rhodium catalytic component in the amount of 0 to about 10 g/ft3; and a NOx sorbent comprising one or more basic oxygenated compounds of one or more alkaline earth metals and optionally, one or more basic oxygenated compounds of one or more alkali metals. In the second zone, the catalytic trap material comprises a refractory metal oxide support having dispersed thereon a palladium catalytic component in the amount of 0 to about 50 g/ft 3, a platinum catalytic component in the amount of about 10 to about 100 g/ft3 and a rhodium catalytic component in the amount of about 5 to about 20 g/ft3; and a NOx sorbent comprising one or more basic oxygenated compounds of one or more metals selected from the group consisting of alkali metals and alkaline earth metals. In the optional zone(s), the catalytic trap material comprises a refractory metal oxide support having dispersed thereon a palladium catalytic component in the amount of about 25 to about 75 g/ft3, a platinum catalytic component in the amount of about 5 to about 30 g/ft3 and a rhodium catalytic component in the amount of 0 to about 10 g/ft3; and a NOx sorbent comprising one or more basic oxygenated compounds of one or more metals selected from the group consisting of alkali metals and alkaline earth metals.
Patent KR-20020081480-A (KR)
IPC: C07D405/08
Filed: 2001-03-15
Abstract: 본 발명의 화학식 II의 화합물 또는 그의 제약상 허용가능한 염 (식 중, A는 (a) Cl, (b) Br, (c) CN, (d) NO 2 또는 (e) F임)은 헤르페스 바이러스의 치료 또는 예방에 유용하다.
Patent KR-20020086737-A (KR)
Title: 치료에 유용한 디페닐 에테르 화합물
IPC: A61P25/30
Filed: 2001-03-19
Abstract: 본 발명은 하기 화학식 I의 화합물 또는 제약학적으로 허용가능한 그의 염, 용매 화합물 또는 다형체에 관한 것이다. 
     <화학식 I> 
     
       
     
     식 중, R 3 은 독립적으로 CF 3 , OCF 3 , C 1 -C 4 알킬티오 또는 C 1 -C 4 알콕시이며, n은 1, 2 또는 3이며, 다른 변수는 청구의 범위에 정의된 바와 같다. 
     이러한 화합물은 모노아민 재흡수를 억제하며, 특히 선택적인 세로토닌 재흡수 억제제로서의 활성을 나타낸다.  이들은 우울증, 주의력결핍 과다활동장애, 강박 장애, 외상후 스트레스 장애, 물질 남용 장애 또는 조루증을 비롯한 성기능 장애와 같은 장애에 유용하다.
Patent KR-20020093137-A (KR)
Title: 자동차 브레이크의 자동작동을 위한 방법 및 장치
IPC: B60T8/172
Filed: 2001-04-30
Abstract: 본 발명은 자동차 브레이크의 자동작동을 위한 방법과 장치에 관계된다.  본 방법에 따라, 외력에 의해 구동된 기어는 보통 구동 모터와 적어도 하나의 차륜 사이에서 토크 전달을 완전히 저지하지 않도록 구동된다.  상기 발병에 따라, 차량속도가 영인지 여부 또는 구동 모터가 작동중이고 기어박스의 전진기어가 연동될 때 자동차가 역동작중인지 여부가 결정된다.  만일 자동차가 역동작중이라면 자동차 브레이크는 외력에 의해 구동되고, 토크 전달은 구동 모터와 차륜 사이에서 완전히 저지될 것이다.
Patent KR-20030024673-A (KR)
IPC: B41J2/135
Filed: 2000-05-24
Abstract: 잉크젯 프린트헤드용 노즐 가드(80)는, 노즐 어레이(14)를 받치는 기판(16) 위에 실장할 수 있는 몸체 부재(82)를 포함한다. 상기 몸체 부재는, 사용 중에 각 통로(84)가 노즐 어레이(14)의 한개의 노즐의 노즐 개구부와 일치하도록 상기 몸체 부재를 관통하는 복수개의 통로(84)를 형성한다. 상기 몸체 부재(22)는, 또한, 상기 노즐 어레이(14)에 외부 입자가 적층되는 것을 방지하기 위하여, 상기 통로(84)의 입구 끝단으로부터 각 통로(84)를 통해 유체가 향하도록 한 유체 입구 개구부(88)를 형성한다.
Patent KR-20040069896-A (KR)
Inventor: PARK SANG WON
IPC: G11C29/00
Filed: 2003-01-30
Abstract: PURPOSE: A long memory pattern for finding a defect at a memory or an embedded memory device is provided to effectively find the defect generated at the edge of the wafer. CONSTITUTION: A long memory pattern for finding a defect at a memory or an embedded memory device is characterized in that it detects the defect on the semiconductor wafer by forming a long memory pattern connected to the pattern in the cell adjacent to the pattern of each memory cell in a longitudinal direction and in a vertical direction. And also, the long memory pattern for finding a defect is characterized in that it finds the patterns of each memory cell including the pads of Bit Line, /Bit Line, Vcc or Vss in a memory or an additional memory device.
Patent KR-20040071001-A (KR)
Inventor: LEE JU SANG
IPC: A47L9/28
Filed: 2003-02-06
Abstract: PURPOSE: A robot cleaner system having an external charging device and method for connecting a robot cleaner with the external charging device is provided to precisely connect a robot cleaner with the external charging device by using a charging recognition mark. CONSTITUTION: A robot cleaner system is composed of an external charging device(80), and a robot cleaner(10). The external charging device includes a power terminal(82) installed at a terminal plate(84), and a charging recognition mark(88) installed at the front bottom of the terminal plate. The robot cleaner includes a recognition mark sensor for detecting the charging recognition mark, a driving unit for moving a cleaner body, an upper camera for photographing a ceiling, a bumper(54) installed at the cleaner body, a charging terminal(56) installed at the bumper, a charging battery, and a control unit. The control unit controls the driving unit so that the robot cleaner is connected to the external charging device.
Patent KR-20040072012-A (KR)
Inventor: RA BYOUNG HO
Filed: 2003-02-07
Abstract: PURPOSE: A system and a method for the mobile settlement centered on a buyer using a wireless terminal are provided to prevent the outflow of personal information by receiving/using the seller information to the settlement and make a user freely fix a limit of a settlement price. CONSTITUTION: A buyer wireless terminal(100) and a seller wireless terminal(200) exchange payment information. The buyer wireless terminal requests a payment request to a PG(Payment Gateway)(300) based on the exchanged information. The PC inquires the validity of a payment tool to a credit card company(400), a bank settlement system(500), or a banking system(600). The valid buyer wireless terminal transmits a message for requesting the reception confirmation for the payment price to the seller wireless terminal. The seller wireless terminal transmits the message for approving or refusing the payment price to the PG. If the reception is approved, the PG receives an approval number from the credit card company, receives a transfer result from the bank payment system, or receives a request result from the banking system. A processing result is informed to both terminals from the PG.